If you are looking for one of the best 1250W power supplies on the market today, look no further than our evaluation of the XFX ProSeries 1250W PSU. While not exactly known for it, XFX puts out some extremely good power supplies. Every unit we have reviewed has received a Gold or Silver Editor's Award. XFX is back today with a huge 1250 watt PSU that sports very good efficiency as well as a plethora of newly trademarked lingo. But how does it do at full load in our incubator?